Aren't the night dives great? The enormous nurse sharks are cool, but the mantas are hot!!

How did you light the mantas? I didn't get it quite right: I think that video lights held out quite wide may the best way...

Using strobes, the nurse sharks were much easier:

Thanks for posting your images, Bent.

I would rate the night dive with the nurse sharks as the coolest I have ever done! It was just amazing. The big rays were icing on the cake. I liked the manta night dive as well, but it was harder really to appreciate as we were in a group supposed to be kneeling on the sand. The sand turned out to be silt and the kneeling part was so-so, so the viz went pretty quickly. However, up till then it was incredible to have the mantas swimming straight towards the camera.

Lighting wise I didn't do anything special. Strobes pointing somewhat out on two arms, more or less. Video lights would probably be good, at least for getting consistent af.